add main scaffolding and app dependencies

infra/clean_docker.sh

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+#!/bin/bash
+
+docker container prune -f
+docker network prune -f
+docker volume prune -f

infra/db_scripts/pg_many_db

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+#!/bin/bash
+
+set -e
+set -u
+
+function create_user_and_database() {
+	local database=$1
+	echo "  Creating user and database '$database'"
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
+	    CREATE USER $database;
+	    CREATE DATABASE $database;
+	    GRANT ALL PRIVILEGES ON DATABASE $database TO $database;
+EOSQL
+}
+
+if [ -n "$POSTGRES_MULTIPLE_DATABASES" ]; then
+	echo "Multiple database creation requested: $POSTGRES_MULTIPLE_DATABASES"
+	for db in $(echo $POSTGRES_MULTIPLE_DATABASES | tr ',' ' '); do
+		create_user_and_database $db
+	done
+	echo "Multiple databases created"
+fi

infra/docker-compose.yml

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+version: "3.9"
+
+services:
+  app_database:
+    container_name: app_database
+    hostname: app_database
+    restart: always
+    image: postgres:15.3
+    environment:
+      POSTGRES_MULTIPLE_DATABASES: test_items_db, items_db
+      POSTGRES_USER: admin
+      POSTGRES_PASSWORD: admin
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./db_scripts/pg_many_db:/docker-entrypoint-initdb.d/initdb.sh
+    ports:
+      - 1010:5432
+    networks:
+      - test_db
+
+volumes:
+  postgres_data:
+
+networks:
+  test_db:
+    name: test_db
+    driver: bridge

pyproject.toml

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+[tool.poetry]
+name = "tox-testing-env"
+version = "0.1.0"
+description = ""
+authors = ["mauudev <[email protected]>"]
+readme = "README.md"
+packages = [
+    { include = "src" },
+]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+fastapi = "^0.109.2"
+pydantic = "^2.6.1"
+uvicorn = {extras = ["standard"], version = "^0.27.1"}
+sqlalchemy = "^2.0.25"
+python-dotenv = "^1.0.1"
+asyncpg = "^0.29.0"
+psycopg2-binary = "^2.9.9"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.poetry.group.dev.dependencies]
+isort = "^5.13.2"
+black = "^24.1.1"
+httpx = "^0.26.0"
+
+[tool.poetry.group.test.dependencies]
+pytest = "^8.0.0"
+pytest-asyncio = "^0.23.5"
+pytest-cov = "^4.1.0"
+tox = "^4.12.1"
+tox-docker = "^4.1.0"
+trio = "^0.24.0"
+anyio = "^4.2.0"
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"

requirements.txt

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+annotated-types==0.6.0 ; python_version >= "3.10" and python_version < "4.0"
+anyio==4.2.0 ; python_version >= "3.10" and python_version < "4.0"
+async-timeout==4.0.3 ; python_version >= "3.10" and python_version < "3.12.0"
+asyncpg==0.29.0 ; python_version >= "3.10" and python_version < "4.0"
+click==8.1.7 ; python_version >= "3.10" and python_version < "4.0"
+colorama==0.4.6 ; python_version >= "3.10" and python_version < "4.0" and (sys_platform == "win32" or platform_system == "Windows")
+exceptiongroup==1.2.0 ; python_version >= "3.10" and python_version < "3.11"
+fastapi==0.109.2 ; python_version >= "3.10" and python_version < "4.0"
+greenlet==3.0.3 ; python_version >= "3.10" and python_version < "4.0" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32")
+h11==0.14.0 ; python_version >= "3.10" and python_version < "4.0"
+httptools==0.6.1 ; python_version >= "3.10" and python_version < "4.0"
+idna==3.6 ; python_version >= "3.10" and python_version < "4.0"
+pydantic-core==2.16.2 ; python_version >= "3.10" and python_version < "4.0"
+pydantic==2.6.1 ; python_version >= "3.10" and python_version < "4.0"
+python-dotenv==1.0.1 ; python_version >= "3.10" and python_version < "4.0"
+pyyaml==6.0.1 ; python_version >= "3.10" and python_version < "4.0"
+sniffio==1.3.0 ; python_version >= "3.10" and python_version < "4.0"
+sqlalchemy==2.0.25 ; python_version >= "3.10" and python_version < "4.0"
+starlette==0.36.3 ; python_version >= "3.10" and python_version < "4.0"
+typing-extensions==4.9.0 ; python_version >= "3.10" and python_version < "4.0"
+uvicorn[standard]==0.27.1 ; python_version >= "3.10" and python_version < "4.0"
+uvloop==0.19.0 ; (sys_platform != "win32" and sys_platform != "cygwin") and platform_python_implementation != "PyPy" and python_version >= "3.10" and python_version < "4.0"
+watchfiles==0.21.0 ; python_version >= "3.10" and python_version < "4.0"
+websockets==12.0 ; python_version >= "3.10" and python_version < "4.0"

src/__init__.py

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+from dotenv import load_dotenv
+
+load_dotenv()

src/use_cases/__init__.py

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+from .create_item import RegisterItem, RegisterItemCommand
+from .get_item import GetItem, GetItemCommand